Specifications

A LOOK AT THE
COMMODORE 128D
The Computer
Physically, the Commodore 128D is a light tan box with a detachable
keyboard. There are several switches, jacks and plug connections
located on the right side and back of the box. This section identifies
all these switches, jacks and connections (often called SLOTS or
PORTS), and introduces you to the keyboard. For detailed informa
tion on using the keyboard, see Section 3 of the Commodore 128D
System Guide (the other book packed in the carton with the
computer).
The Right Side
CASSETTE PORT—The Datassette
tape recorder plugs in here.
KEYBOARD PORT—Connect the
keyboard here.
CONTROL PORTS #1 & #2—Joysticks
and other peripherals plug into these
openings.
DISK DRIVE RESET SWITCH—
Resets disk drive without turning the
computer off.
RESET SWITCH—Resets computer
and diskdrive.
The Back
EXPANSION PORT—Software car
tridges plug inhere.
SERIAL SOCKET—Connect disk
drives and printers here.
VIDEO SOCKET—Plug composite
monitor cable in this socket.
CHANNEL SELECTOR SWITCH—
Set television channel for viewing com
puter display {L = channel 3;
H = channel 4)
RF SOCKET—Use this to attach cable
from Computer/TV switchbox.
RGBI SOCKET—Plug RGBI monitor
cable in this socket.
USER PORT—Accessories, such as
modems, plug in here.
POWER SOCKET—The POWER
CORD plugs in here.
ON/OFF SWITCH—Turns the power
on or off.